CN203017116U - Self-ligating bracket with pinless slide cover - Google Patents
Self-ligating bracket with pinless slide cover Download PDFInfo
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- CN203017116U CN203017116U CN 201220575179 CN201220575179U CN203017116U CN 203017116 U CN203017116 U CN 203017116U CN 201220575179 CN201220575179 CN 201220575179 CN 201220575179 U CN201220575179 U CN 201220575179U CN 203017116 U CN203017116 U CN 203017116U
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Abstract
The utility model relates to a self-ligating bracket with a pinless slide cover. A slideway is arranged on a first base section; a first slot is connected with one end of the slideway; a notch is arranged at the wall of a ditch; a second slot is arranged at the position on the second base section corresponding to the first slot; a clamping component bending towards the directions of two ends of the ditch is arranged at the free end of the slide cover near the ditch; the clamping component can enter the first slot and the second slot when the slide cover slides inside the slideway; and the outer edge of the slide cover along the ditch direction and the inner wall of the slideway are in interference fit. Effective control on the position of the slide cover is achieved by the slideway, the first slot and the second slot, so as to save a dowel or a fixture block in the prior art; the hygienic dead angle is reduced; the cleaning difficulty is reduced in use; and the comfort of a sufferer is improved.
Description
Technical field
This utility model relates to a kind of dental orthodontic instrument field, is specifically related to the locking bracket that a kind of band has or not the pin slip lid.
Background technology
Orthodontic treatment is a subdiscipline that degree of specialization is higher of dental field, is mainly to rescue for tooth, jawbone, facial deformity, by inner Fixed Orthodontics appliance recovers patient's normal occlusion function gradually in the oral cavity.Bracket is the important component part of orthodontic appliance, mainly is adhered on labial teeth, canine tooth, premolars, and orthodontic treatment is arranged on by rescuing arch wire in the groove of bracket, and the Tooth Movement of guiding dislocation is to desirable position.
Common locking bracket comprises sliding cover type bracket (a passive slide) and lock catch type bracket (a spring clip), wherein the sliding cover type bracket arranges slip lid in groove both sides, after including groove in, arch wire promotes slip lid, by chute, pin (or fixture block), catch, the position of slip lid is fixed, the closed conduct that arch wire of the common formation of slip lid and groove can be moved therein flexibly, so the sliding cover type bracket claims again passive-type locking bracket (passive self-ligating bracket).Due to the structure relative complex of sliding cover type bracket, pin or fixture block are small protrusion-shaped parts, and in use food debris easily is hooked on pin or fixture block and forms the corner or spot as yet untouched by a clean-up campaign, causes bacteria breed, and the daily cleaning of user is caused burden.
Chinese patent application: the tooth orthodontic autolocking bracket system (patent No.: 201110118607.6, the applying date: 2011.05.09) disclose a kind of locking bracket system with the bracket wing and bracket lid, wherein forming sliding cover type between the bracket wing and bracket lid coordinates, one side of the bracket wing is fixed with fixture block, slideway, covers at bracket the sliding tray that coordinates with fixture block is set.Above-mentioned sliding cover type coordinates the cooperation requirement that has increased on the one hand fixture block and sliding tray aspect processing, because fixture block is the protrusion member that protrudes from bracket lid slideway surface, has increased the daily cleaning difficulty of locking bracket user on the other hand.Further, above-mentioned locking bracket is by slideway, fixture block and be positioned at draw-in groove on the archwire slot one side bracket wing and realize spacing to the bracket lid, not only need when mounted to make the bracket lid to enter in slideway, and fixture block can accurately enter opening in bayonet socket that bracket covers, such installment work is difficult to carry out in small space, and requires quite high to the quality of fit between each parts.
The elastic pressure that the built-in high resiliency locker of lock catch type bracket, locker are closed rear generation can act on arch wire, provide to continue soft orthodontic force, so the lock catch type bracket claims again active locking bracket (active self-ligatingbracket).Because the self-locking device multidigit of locking bracket is surperficial in the lip buccal side of bracket, therefore convenient with instrument or finger tip switch slideway or snap close, the ligation process is more easy.But existing locking bracket itself has certain design defect, and namely slip lid or locker are easily opened under some unexpected factor impact, lose groove to the control of arch wire and then affect therapeutic effect, have so instead extended treatment time.And due to the complicated structure of locking bracket, some external force (comprising masticatory force) and doctor's maloperation all may cause the slip lid slippage, causes scrapping of locking bracket, has increased patient's financial burden, has improved treatment cost.
Chinese patent: the shape memory self-ligating orthodontic brackets (patent No.: 200920192302.8, the applying date: 2009.08.24) disclose and be provided with chute and the slide lock tabs that cooperatively interacts on a kind of working wing, horizontal slip by slide lock tabs in chute realizes the folding of groove, a pair of latch hook of slide lock tabs end is carried out the locking of horizontal direction by a pair of semicircle locked groove.Because an end of slide lock tabs in this patent is coated by the chute of groove one side, realize spacing on vertical direction, and an end of latch hook is arranged on the step surface of groove opposite side, in the vertical direction is not taked spacing measure, thereby an end that (is for example backed down) under external force latch hook by the arch wire in groove upwards digs the groove accident opened, and arch wire breaks away from the restriction of groove.Secondly, this patent in chute not to slide lock tabs slip laterally take restriction, slide lock tabs under external force (the large or doctor's careless manipulation of dynamics etc. of brushing teeth such as patient) thus slippage causes scrapping of locking bracket from chute.In addition, due in the process that opens and closes groove, latch hook need to could be realized drawing close towards each other by in opposite directions External Force Acting on horizontal direction, realize that latch hook snaps in or deviates from semicircle locked groove, in small space, this micro-component being applied the external force of horizontal direction in use very inconvenient, is that clinical manipulation increases difficulty.
Summary of the invention
This utility model is for the deficiencies in the prior art, proposed a kind ofly jointly slip lid to be realized the spacing of six direction by slideway, the first draw-in groove and the second draw-in groove, make that slip lid can not be upturned, the fortuitous event such as whole slippage from slideway, thereby guaranteed the stable control to arch wire in archwire slot, and simple in structure, be easy to when wearing to clear up, locking bracket that band that comfort level is high has or not the pin slip lid.
The technical solution of the utility model is as follows:
A kind of locking bracket comprises bracket body and slip lid system, and described bracket body comprises bracket base and pedestal; Described base bottom connects the buccal labial surface of described bracket base, the top is recessed to form groove downwards, the part that is positioned at described groove one side is the first base portion, and the part that is positioned at opposite side is the second base portion, it is characterized in that: described slip lid system comprises slideway, the first draw-in groove, the second draw-in groove and slip lid; Described installation of slide track on described the first base portion, or near normal vertical with described groove, slideway one end opening is in the furrow bank of described groove; Described the first draw-in groove connects described slideway one end, and notch is opened the furrow bank in described groove, and described the second draw-in groove is arranged on position corresponding with described the first draw-in groove on the second base portion; Described slip lid is interference fit along outer rim and the described slideway inwall of described groove direction; Described slip lid is near arranging on the free end of described groove to the screens parts of described groove direction of both ends bending, and when described slip lid slides in described slideway, described screens parts can enter in described the first draw-in groove and the second draw-in groove;
Described slip lid comprises two elastic arms and is connected to brace on the stiff end of described elastic arm, and the free end of described elastic arm arranges to the grab of described groove direction of both ends bending; Described elastic arm is those widened sections near a section of described grab, described those widened sections along the width of the described groove direction width greater than described other parts of elastic arm, described those widened sections and described slideway inwall are interference fit.
The thickness of described slip lid is 0.1～1.5mm, is 0.7～4.0mm along the total length of glide direction; Described brace is 0.3～4.0mm along the width of described groove direction, and the outer rim of two described those widened sections is 0.4～4.1mm along the distance of described groove direction; Described brace is 0.3～4.0mm along the width of described groove direction; Two described grab ends are 0.5～4.5mm along the distance of described groove direction.
Distance between described screens component ends is less than or equal to described the first draw-in groove and the second draw-in groove along the width of described groove direction, and greater than the width of described slideway along described groove direction.
The top of described slideway is provided with along the window of described slip lid glide direction, described window along the width of described groove direction less than the width of described slip lid along described groove direction.
The shape of described the second base portion is identical with described the first base portion.
Described slip lid is made by elastic metallic is one-body molded; Described integral formation method comprises metal casting, metal powder injection molding, line cutting, laser engraving or laser cutting method; Described elastic metallic comprises niti-shaped memorial alloy, Ni-Ti-based shape memory alloy, titanium-base alloy, cochrome or rustless steel.
The material of described bracket base and pedestal comprises niti-shaped memorial alloy, Ni-Ti-based shape memory alloy, titanium, titanium-base alloy, cochrome, rustless steel, resin, plastics, pottery and/or glass.
A kind of locking bracket comprises bracket body and slip lid system, and described bracket body comprises bracket base and pedestal; Described base bottom connects described bracket base, and described pedestal top is recessed to form groove downwards, and the part that is positioned at described groove one side is the first base portion, and the part that is positioned at opposite side is the second base portion; Adjacent two described pedestals are divided into left pedestal and right pedestal, and the groove of each described pedestal is on a groove axis; Described left pedestal comprises the left surface perpendicular to described groove axis, and described right pedestal comprises the right flank perpendicular to described groove axis, and described left surface and right flank are the opposite flank; It is characterized in that: described slip lid system comprises slideway, the first draw-in groove, the second draw-in groove and slip lid; The left side of described slideway, the first draw-in groove is arranged on the left surface of the first base portion of described left pedestal, and right-hand part is arranged on the right flank of the first base portion of described right pedestal; The left side of described the second draw-in groove is arranged on the left surface of the second base portion of described left pedestal, and right-hand part is arranged on the right flank of the second base portion of described right pedestal; Slideway one end opening is in the furrow bank of described groove, the left side of described the first draw-in groove and right-hand part connect respectively left side and the right-hand part of described slideway one end, the notch of described the first draw-in groove is opened the furrow bank in described groove, and described the second draw-in groove is arranged on position corresponding with described the first draw-in groove on the second base portion of left pedestal, right pedestal; Described slip lid is interference fit along outer rim and the described slideway inwall of described groove direction; Described slip lid is near arranging on the free end of described groove to the screens parts of described groove direction of both ends bending, and when described slip lid slides in described slideway, described screens parts can enter in described the first draw-in groove and the second draw-in groove;
Described slip lid comprises two elastic arms and is connected to brace on the stiff end of described elastic arm, and the free end of described elastic arm arranges to the grab of described groove direction of both ends bending; Described elastic arm is those widened sections near a section of described grab, described those widened sections along the width of the described groove direction width greater than described other parts of elastic arm, described those widened sections and described slideway inwall are interference fit.
The thickness of described slip lid is 0.1～1.5mm, is 0.7～4.0mm along the total length of glide direction; Described brace is 0.3～4.0mm along the width of described groove direction, and the outer rim of two described those widened sections is 0.4～4.1mm along the distance of described groove direction; Described brace is 0.3～4.0mm along the width of described groove direction; Two described grab ends are 0.5～4.5mm along the distance of described groove direction.
Distance between described screens component ends is less than or equal to described the first draw-in groove and the second draw-in groove along the width of described groove direction, and greater than the width of described slideway along described groove direction.
The shape of described the second base portion is identical with described the first base portion.
Described slip lid is made by elastic metallic is one-body molded; Described integral formation method comprises metal casting, metal powder injection molding, line cutting, laser engraving or laser cutting method; Described elastic metallic comprises niti-shaped memorial alloy, Ni-Ti-based shape memory alloy, titanium-base alloy, cochrome or rustless steel.
The material of described bracket base and pedestal comprises niti-shaped memorial alloy, Ni-Ti-based shape memory alloy, titanium, titanium-base alloy, cochrome, rustless steel, resin, plastics, pottery and/or glass.
Technique effect of the present utility model is as follows:
Due to narrow space under the environment of just abnormal operation, the doctor inevitably can meet other locking bracket when a locking bracket is operated, in order not make the groove accident close or open because accident collision changes the position of slip lid, the locking bracket that band of the present utility model has or not the pin slip lid with installation of slide track on the first base portion, the first draw-in groove connects slideway one end, notch is opened the furrow bank in groove, and the second draw-in groove is arranged on position corresponding with the first draw-in groove on the second base portion; Slip lid is near arranging on the free end of groove to the screens parts of groove direction of both ends bending, and when slip lid slides in slideway, the screens parts can enter in the first draw-in groove and the second draw-in groove, and slip lid is interference fit along outer rim and the slideway inwall of groove direction.This utility model drives grab and moves between the first draw-in groove and the second draw-in groove when sliding before and after slip lid is in slideway, realize controlling the switching of groove top, and the sliding scale of slip lid limits.This utility model only uses slideway, the first draw-in groove and the second draw-in groove namely to realize effective control to the slip lid movement position, thereby pin of the prior art or fixture block have been omitted, reduce the corner or spot as yet untouched by a clean-up campaign, reduced in use the cleaning difficulty, improved patient's comfortableness.
Due to the distance of two grab ends greater than the width of slideway and less than the width of the first draw-in groove and the second draw-in groove, therefore the range of movement of slip lid grab part is limited between the first draw-in groove and the second draw-in groove, makes slip lid within the range of movement on glide direction effectively is limited in locking bracket.Be the poroid or groove shape passage that is arranged on the first base portion and the second base portion top due to slideway, the first draw-in groove and the second draw-in groove, so slip lid there are all hole wall or cell wall to stop on perpendicular to the direction of bracket base.Further, because slip lid is interference fit along outer rim and the slideway inwall of groove direction, slip lid can not arbitrarily be moved under non-external force state.Based on above-mentioned setting, the motion of the six direction of slip lid in locking bracket is all effectively limited, and the position of slip lid can not changed because of the collision in operation, causes the groove accident to close or open.
Because the visual angle of just abnormal operative doctor mostly is buccal labial surface perpendicular to bracket, therefore slip lid is operated and observes the position of slip lid in art for the ease of the doctor, this utility model is offered the window along glide direction on the first slideway and/or the close inwall of buccal labial surface of the second slideway, make the doctor see slip lid by window.
Slip lid of the present utility model system structurally has very strong adaptability, not only can be used for single-wing bracket, also can be used for having the locking bracket of two or more pedestals, when the slip lid system was used for having the locking bracket of a plurality of pedestals, the slip lid system was arranged between adjacent two pedestals.Half of the slideway of slip lid system, the first draw-in groove and the second draw-in groove is arranged on left pedestal, and second half is arranged on right pedestal, and the matching relationship between slip lid, slideway, the first draw-in groove and the second draw-in groove is identical with single-wing bracket.All can use slip lid of the present utility model system as long as in fact have the locking bracket of pedestal and groove, realize on principle all identical.
Description of drawings
Fig. 1 is the structural representation of slip lid of the present utility model
Fig. 2 is the structural representation that this utility model is worked as bracket body locking bracket when being single-wing bracket
Fig. 3 is the schematic diagram that this utility model slip lid and groove form archwire slot jointly
Fig. 4 is that this utility model slip lid is opened the schematic diagram that forms the arch wire gateway
Fig. 5 is this utility model the first base portion and the structural representation of the second base shape bracket body when identical
Fig. 6 is the structural representation that this utility model is worked as bracket body locking bracket when being the double-vane bracket
Fig. 7 is this utility model the first base portion and the structural representation of the second base shape bracket body when identical
Fig. 8 is slip lid of the present utility model kinestate schematic diagram in slideway under the effect of power
Fig. 9 is the schematic diagram that this utility model slip lid and groove form archwire slot jointly
Figure 10 is that this utility model slip lid is opened the schematic diagram that forms the arch wire gateway
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, this utility model is further elaborated.
This utility model band has or not the locking bracket of pin slip lid to comprise bracket body and slip lid system, and wherein the bracket body mainly comprises bracket base 1 and pedestal 2, and the slip lid system mainly comprises slideway 4, the first draw-in groove 5, the second draw-in groove 6 and slip lid 7.As shown in Figure 1, slip lid 7 comprises two elastic arms 71 and a connecting piece 72 for being similar to the resilient blade of " several " font.Two elastic arms 71 are arranged side by side, and an end of elastic arm 71 is stiff end, and the other end is free end, and the stiff end of two elastic arms 71 all is connected on brace 72.Elastic arm 71 is that width between those widened sections 74 outer rims of those widened sections 74, two elastic arms 71 is greater than the width between elastic arm 71 other part outer rims near free-ended one section.The free end of elastic arm 71 is bent to form grab 73 to slip lid 7 outsides, and the overbending direction that lays respectively at the grab 73 on two elastic arms 71 is opposite.
Embodiment 1: the slip lid system is arranged on a pedestal
As shown in Figure 2, when the bracket body was single-wing bracket, the front of bracket base 1 was buccal labial surface, and the back side is adhesive surface, and buccal labial surface is smooth flat, and gully shape texture is set on adhesive surface, was conducive to binding agent and flowed into, and strengthened the retention of bracket.The bottom of pedestal 2 is connected with the buccal labial surface of bracket base 1, is recessed to form groove 3 downwards from pedestal 2 crown centers.Pedestal 2 is divided into the first base portion 21 that is positioned at groove 3 one sides and the second base portion 22 that is positioned at groove 3 opposite sides by groove 3, the slideway 4 of slip lid system is arranged on the top of the first base portion 21, the setting party of slideway 4 is to being parallel to bracket base 1 residing plane, and vertical or approximately perpendicular to groove 3, slideway 4 one end openings are in the sidewall of groove 3.The first draw-in groove 5 that is parallel to groove 3 is set on groove 3 sidewalls at slideway 4 one end opening places, the notch of the second draw-in groove 6, the first draw-in grooves 5 and the second draw-in groove 6 is set respectively on the two side of groove 3 on the second base portion 22 groove 3 sidewalls corresponding with the first draw-in groove 5.
As shown in Figure 3, the elastic arm 71 of slip lid 7 can slide between slideway 4, groove 3, and the grab 73 of slip lid 7 can enter the first draw-in groove 5 and the second draw-in groove 6.Be less than or equal to the first draw-in groove 5 and/or the second draw-in groove 6 along the width of groove 3 directions along the distance of groove 3 directions between preferred two grab 73 ends of the present embodiment, and greater than the width of slideway 4 along described groove 3 directions, the range of movement of grab 73 is limited between the first draw-in groove 5 and the second draw-in groove 6.Due between two grab 73 ends along the distance of groove 3 directions greater than the width of slideway 4 along groove 3 directions, make grab 73 can not enter slideway 4 under the state of the effect that there is no external force.
Be interference fit between the those widened sections 74 of slideway 4 and two elastic arms 71, elastic arm 71 parts that make slip lid 7 are slided in slideway 4 interior front and back under the effect of external force, and elastic arm 71 is stuck in slideway 4 by those widened sections 74 and maintains static when external force stops.As shown in Figure 3, during under external force to front slide, the grab 73 of elastic arm 71 ends is entered in the second draw-in groove 6 by the first draw-in groove 5 when slip lid 7, and elastic arm 71 covers the top of groove 3, and elastic arm 71 and groove 3 are formed for holding the archwire slot of arch wire jointly.As shown in Figure 4, when slip lid 7 slided backward under external force, grab 73 was entered in the first draw-in groove 5 by the second draw-in groove 6, and groove 3 tops are opened and formed the arch wire gateway, and groove 3 be inserted or be shifted out to arch wire can by the arch wire gateway.
One end opening of slideway 4 for the ease of installing, is opened on the other end of slideway 4 in the outside of the first base portion 21 in the sidewall of groove 3, at the through hole of the first base portion 21 tops formation perpendicular to groove 3.The elastic arm 71 of slip lid 7 inward collapsible under external force, make grab 73 enter slideway 4 by the other end when mounted; When grab 73 enters the first draw-in groove 5 that is positioned at slideway 4 one ends, to withdraw from external force and discharge elastic arm 71, elastic arm 71 blocks the inwall of slideway 4.
Because the visual angle of just abnormal operative doctor mostly is buccal labial surface perpendicular to locking bracket, therefore slip lid 7 is operated and observes the position of slip lid 7 in art for the ease of the doctor, offer operation window 8 near on the inwall of buccal labial surface along slip lid 4 glide directions at slideway 4.Operation window 8 is to connect slideway 4 near the window of buccal labial surface inwalls by the top of the first base portion 21, makes the doctor see slip lid 7 by window, operation window 8 along the width of groove 3 directions less than the width of slip lid 7 along groove 3 directions.
As shown in Figure 5, the second base portion 22 can be processed as the shape identical with the first base portion 21, also can be processed as the shape that only comprises the second draw-in groove 6 as shown in Figure 2, namely comprises at least the second draw-in groove 6 that is parallel to groove 3 in the structure of the second base portion 22.
The material of bracket base 1 and pedestal 2 comprises niti-shaped memorial alloy, Ni-Ti-based shape memory alloy, titanium, titanium-base alloy, cochrome, rustless steel, resin, plastics, pottery and/or glass.The integral thickness of slip lid 7 is 0.1～1.5mm, is 0.7～4.0mm along the total length of glide direction; Single snap fit 73 is 0.2～2.1mm along the width of groove 3 directions; The outer rim of two those widened sections 74 is 0.4～4.1mm along the distance of groove 3 directions; Brace 72 is 0.3～4.0mm along the width of groove 3 directions; Two grab 73 ends are 0.5～4.5mm along the distance of groove direction.Slip lid 7 is made by elastic metallic is one-body molded, and elastic metallic is niti-shaped memorial alloy, Ni-Ti-based shape memory alloy, titanium-base alloy, cochrome or rustless steel.Integral formation method is metal casting, metal powder injection molding, line cutting, laser engraving or laser cutting method.
Embodiment 2: the slip lid system is arranged on two pedestals
As shown in Figure 6, the difference of the present embodiment and embodiment 1 is, the bracket body of the present embodiment is the double-vane bracket, the left pedestal 23 and the right pedestal 24 that comprise bracket base 1 and be arranged side by side, the groove 3 of left pedestal 23 and right pedestal 24 point-blank, the slip lid system is arranged between left pedestal 23 and right pedestal 24.Left pedestal 23 is left surface 25 perpendicular to the side of groove 3, and right pedestal 24 is right flank 26 perpendicular to the side of groove 3, and left surface 25 is the opposite flank with right flank 26.The groove that is positioned at the first base portion 21 upper left side 25 of left pedestal 23 is left slideway 41, and the groove that is positioned at right flank 26 on the first base portion 21 of right pedestal 24 is right slideway 42.Left slideway 41 is identical with the position of right slideway 42 on left surface 25 and right flank 26, and opening direction is relative, jointly is configured for holding the slideway 4 of slip lid 7.
As shown in Figure 7, the second base portion 22 can be processed as the shape identical with the first base portion 21, also can be processed as the shape that only comprises the second draw-in groove 6 as shown in Figure 6, and namely the structure of the second base portion 22 comprises the second draw-in groove 6 at least.The setting party of slideway 4 is to being parallel to bracket base 1 residing plane, and vertical or approximately perpendicular to groove 3, an end opening of slideway 4 is in the sidewall of groove 3, and for the ease of installing, the other end of slideway 4 can be opened on the outside of the first base portion 21.The opening part setting of left slideway 41 on groove 3 sidewalls of left pedestal 23 is parallel to the left side of the first draw-in groove 5 of groove 3, and the opening part setting of right slideway 42 on groove 3 sidewalls of right pedestal 24 is parallel to the right-hand part of the first draw-in groove 5 of groove 3.The left side of the second draw-in groove 6 is set on the second base portion 22 of left pedestal 23 groove 3 sidewalls corresponding with the left side of the first draw-in groove 5, the right-hand part of the second draw-in groove 6 is set on the second base portion 22 of right pedestal 24 groove 3 sidewalls corresponding with the right-hand part of the first draw-in groove 5.The elastic arm 71 of slip lid 7 can slide in slideway 4, and the grab 73 of slip lid 7 can enter the first draw-in groove 5 and the second draw-in groove 6.
As shown in Figure 8, be interference fit between slideway 4 and two elastic arm 71 outer ledges, elastic arm 71 parts that make slip lid 7 are slided in slideway 4 interior front and back under the effect of external force, and elastic arm 71 may be stuck in slideway 4 and maintains static when external force stops.As shown in Figure 9, under external force to front slide, the grab 73 of elastic arm 71 ends is entered in the second draw-in groove 6 by the first draw-in groove 5 when slip lid 7, and elastic arm 71 covers the top of groove 3, and elastic arm 71 and groove 3 are formed for holding the archwire slot of arch wire jointly.As shown in figure 10, when slip lid 7 slided backward under external force, grab 73 was entered in the first draw-in groove 5 by the second draw-in groove 6, and groove 3 tops are opened and formed the arch wire gateway, and groove 3 be inserted or be shifted out to arch wire can by the arch wire gateway.
The present embodiment is placed in left slideway 41 with the elastic arm 71 in slip lid 7 left sides when mounted, and the elastic arm 71 on right side is placed in right slideway 42, two elastic arms 71 inward collapsible under external force, and grab 73 can be entered by the other end of slideway 4; When grab 73 enters the first draw-in groove 5 that is positioned at slideway 4 one ends, to withdraw from external force and discharge elastic arm 71, elastic arm 71 blocks the inwall of slideway 4.The operator can apply by the brace 72 to slip lid 7 external force to drive slip lid 7 in slideway 4 interior front and back slip.
Should be pointed out that the above specific embodiment can make those skilled in the art's comprehend this utility model create, and creates but limit never in any form this utility model.Therefore; although this description is created this utility model with reference to drawings and Examples and is had been described in detail; but; those skilled in the art are to be understood that; still can create this utility model and modify or be equal to replacement; in a word, all do not break away from technical scheme and the improvement thereof of the spirit and scope of this utility model creation, and it all should be encompassed in this utility model and create in the middle of the protection domain of patent.
Claims (13)
1. locking bracket comprises bracket body and slip lid system, and described bracket body comprises bracket base and pedestal; Described base bottom connects the buccal labial surface of described bracket base, the top is recessed to form groove downwards, the part that is positioned at described groove one side is the first base portion, and the part that is positioned at opposite side is the second base portion, it is characterized in that: described slip lid system comprises slideway, the first draw-in groove, the second draw-in groove and slip lid; Described installation of slide track on described the first base portion, or near normal vertical with described groove, slideway one end opening is in the furrow bank of described groove; Described the first draw-in groove connects described slideway one end, and notch is opened the furrow bank in described groove, and described the second draw-in groove is arranged on position corresponding with described the first draw-in groove on the second base portion; Described slip lid is interference fit along outer rim and the described slideway inwall of described groove direction; Described slip lid is near arranging on the free end of described groove to the screens parts of described groove direction of both ends bending, and when described slip lid slides in described slideway, described screens parts can enter in described the first draw-in groove and the second draw-in groove;
Described slip lid comprises two elastic arms and is connected to brace on the stiff end of described elastic arm, and the free end of described elastic arm arranges to the grab of described groove direction of both ends bending; Described elastic arm is those widened sections near a section of described grab, described those widened sections along the width of the described groove direction width greater than described other parts of elastic arm, described those widened sections and described slideway inwall are interference fit.
2. a kind of locking bracket as claimed in claim 1, it is characterized in that: the thickness of described slip lid is 0.1～1.5mm, is 0.7～4.0mm along the total length of glide direction; Described brace is 0.3～4.0mm along the width of described groove direction, and the outer rim of two described those widened sections is 0.4～4.1mm along the distance of described groove direction; Described brace is 0.3～4.0mm along the width of described groove direction; Two described grab ends are 0.5～4.5mm along the distance of described groove direction.
3. a kind of locking bracket as claimed in claim 1 or 2, it is characterized in that: the distance between described screens component ends is less than or equal to described the first draw-in groove and the second draw-in groove along the width of described groove direction, and greater than the width of described slideway along described groove direction.
4. a kind of locking bracket as claimed in claim 1 or 2, it is characterized in that: the top of described slideway is provided with along the window of described slip lid glide direction, described window along the width of described groove direction less than the width of described slip lid along described groove direction.
5. as claim 1 or 2 or 4 described a kind of locking brackets, it is characterized in that: the shape of described the second base portion is identical with described the first base portion.
6. as claim 1 or 2 or 3 or 4 or 5 described a kind of locking brackets, it is characterized in that: described slip lid is made by elastic metallic is one-body molded; Described integral formation method comprises metal casting, metal powder injection molding, line cutting, laser engraving or laser cutting method; Described elastic metallic comprises niti-shaped memorial alloy, Ni-Ti-based shape memory alloy, titanium-base alloy, cochrome or rustless steel.
7. a kind of locking bracket as claimed in claim 6, it is characterized in that: the material of described bracket base and pedestal comprises niti-shaped memorial alloy, Ni-Ti-based shape memory alloy, titanium, titanium-base alloy, cochrome, rustless steel, resin, plastics, pottery and/or glass.
8. locking bracket comprises bracket body and slip lid system, and described bracket body comprises bracket base and pedestal; Described base bottom connects described bracket base, and described pedestal top is recessed to form groove downwards, and the part that is positioned at described groove one side is the first base portion, and the part that is positioned at opposite side is the second base portion; Adjacent two described pedestals are divided into left pedestal and right pedestal, and the groove of each described pedestal is on a groove axis; Described left pedestal comprises the left surface perpendicular to described groove axis, and described right pedestal comprises the right flank perpendicular to described groove axis, and described left surface and right flank are the opposite flank; It is characterized in that: described slip lid system comprises slideway, the first draw-in groove, the second draw-in groove and slip lid; The left side of described slideway, the first draw-in groove is arranged on the left surface of the first base portion of described left pedestal, and right-hand part is arranged on the right flank of the first base portion of described right pedestal; The left side of described the second draw-in groove is arranged on the left surface of the second base portion of described left pedestal, and right-hand part is arranged on the right flank of the second base portion of described right pedestal; Slideway one end opening is in the furrow bank of described groove, the left side of described the first draw-in groove and right-hand part connect respectively left side and the right-hand part of described slideway one end, the notch of described the first draw-in groove is opened the furrow bank in described groove, and described the second draw-in groove is arranged on position corresponding with described the first draw-in groove on the second base portion of left pedestal, right pedestal; Described slip lid is interference fit along outer rim and the described slideway inwall of described groove direction; Described slip lid is near arranging on the free end of described groove to the screens parts of described groove direction of both ends bending, and when described slip lid slides in described slideway, described screens parts can enter in described the first draw-in groove and the second draw-in groove;
Described slip lid comprises two elastic arms and is connected to brace on the stiff end of described elastic arm, and the free end of described elastic arm arranges to the grab of described groove direction of both ends bending; Described elastic arm is those widened sections near a section of described grab, described those widened sections along the width of the described groove direction width greater than described other parts of elastic arm, described those widened sections and described slideway inwall are interference fit.
9. a kind of locking bracket as claimed in claim 8, it is characterized in that: the thickness of described slip lid is 0.1～1.5mm, is 0.7～4.0mm along the total length of glide direction; Described brace is 0.3～4.0mm along the width of described groove direction, and the outer rim of two described those widened sections is 0.4～4.1mm along the distance of described groove direction; Described brace is 0.3～4.0mm along the width of described groove direction; Two described grab ends are 0.5～4.5mm along the distance of described groove direction.
10. a kind of locking bracket as claimed in claim 8 or 9, it is characterized in that: the distance between described screens component ends is less than or equal to described the first draw-in groove and the second draw-in groove along the width of described groove direction, and greater than the width of described slideway along described groove direction.
11. as claim 8 or 9 or 10 described a kind of locking brackets, it is characterized in that: the shape of described the second base portion is identical with described the first base portion.
12. as claim 8 or 9 or 10 or 11 described a kind of locking brackets, it is characterized in that: described slip lid is made by elastic metallic is one-body molded; Described integral formation method comprises metal casting, metal powder injection molding, line cutting, laser engraving or laser cutting method; Described elastic metallic comprises niti-shaped memorial alloy, Ni-Ti-based shape memory alloy, titanium-base alloy, cochrome or rustless steel.
13. as claim 8 or 9 or 10 or 11 or 12 described a kind of locking brackets, it is characterized in that: the material of described bracket base and pedestal comprises niti-shaped memorial alloy, Ni-Ti-based shape memory alloy, titanium, titanium-base alloy, cochrome, rustless steel, resin, plastics, pottery and/or glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220575179 CN203017116U (en) | 2012-11-02 | 2012-11-02 | Self-ligating bracket with pinless slide cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220575179 CN203017116U (en) | 2012-11-02 | 2012-11-02 | Self-ligating bracket with pinless slide cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203017116U true CN203017116U (en) | 2013-06-26 |
Family
ID=48641138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220575179 Expired - Fee Related CN203017116U (en) | 2012-11-02 | 2012-11-02 | Self-ligating bracket with pinless slide cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203017116U (en) |
-
2012
- 2012-11-02 CN CN 201220575179 patent/CN203017116U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130626 Termination date: 20201102 |